On the relationships of "Marmosa" formosa Shamel, 1930 (Marsupialia, Didelphidae), a phylogenetic puzzle from the chaco of northern Argentina. American Museum novitates ; no. 3442

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dc.contributor.authorVoss, Robert S.en_US
dc.contributor.authorGardner, Alfred L.en_US
dc.contributor.authorJansa, Sharon A.en_US
dc.date.accessioned2005-10-06T16:38:58Z
dc.date.available2005-10-06T16:38:58Z
dc.date.issued2004en_US
dc.description18 p. : ill. (some col.) ; 26 cm.en_US
dc.descriptionIncludes bibliographical references (p. 16-17).en_US
dc.description.abstractThe holotype and only known specimen of Marmosa formosa Shamel, a nominal species currently synonymized with Gracilinanus agilis Burmeister, is strikingly unlike any other known didelphid marsupial. Phylogenetic analyses based on nonmolecular characters and IRBP sequences suggest that formosa is either the sister-taxon of Thylamys (including Lestodelphys) or Monodelphis. Because neither alternative is strongly supported by the data at hand, and because including formosa in Thylamys or in Monodelphis would compromise the diagnosability of those taxa, a new genus--Chacodelphys--is proposed to contain it. Currently known only from northern Argentina, Chacodelphys formosa may be widely distributed in the Chaco and other adjacent Neotropical biomes.en_US
dc.format.extent591004 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/2246/2807
dc.languageengen_US
dc.language.isoen_US
dc.publisherNew York, NY : American Museum of Natural Historyen_US
dc.relation.ispartofseriesAmerican Museum novitates ; no. 3442en_US
dc.subject.lccQL1 .A436 no.3442 2004en_US
dc.subject.lcshChacodelphysen_US
dc.subject.lcshMarmosaen_US
dc.subject.lcshOpossums -- Argentina -- Formosa (Province)en_US
dc.subject.lcshOpossums -- Phylogeny.en_US
dc.subject.lcshMarsupials -- Argentina -- Formosa (Province)en_US
dc.subject.lcshMammals -- Argentina -- Formosa (Province)en_US
dc.subject.lcshOpossums -- Gran Chaco -- Geographical distribution.en_US
dc.titleOn the relationships of "Marmosa" formosa Shamel, 1930 (Marsupialia, Didelphidae), a phylogenetic puzzle from the chaco of northern Argentina. American Museum novitates ; no. 3442en_US
dc.title.alternativeRelationships of Marmosa formosaen_US
dc.typetexten_US

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